Install Bathroom Fan Roof Vent

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Install bathroom fan roof vent.

Draw a mark on the bathroom ceiling where you d like to install the vent fan. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. I recommend that my clients vent their bath fans out a gable wall if at all possible when not using an hrv or erv that is. If you vent through the roof condensation will drip back into the interior.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting. Center the nail between two rafters. Climb into the attic and clear away any insulation from around the hole.

Install the roof vent install the roof vent by sliding the top flange under the shingles above it and resting the bottom flange on the shingles below. Apply a bead of asphalt roof cement on the bottom of the vent. The master bathroom and the 2nd bathroom vent through the roof and through the same opening. The lower half of the flange sits on top of the shingles.

Secure the vent flanges with roofing nails before installing the shingles. Be sure to like and subscribe in order to help me bring you more helpful videos filled with tips and tricks i ve learned over the years. This video is a comprehensive rundown on how to install a roof vent on a pre existing shingle roof. Plenty more videos t.

The 2nd bathroom vent drips on the floor and is ruining the ceiling. For optimum performance locate it between the shower and the toilet. Nail the lower corners with roofing nails and tar the heads.